At present the exact cause of leukemia is not yet clear, but a large number of scientific studies suggest that radiation, certain chemicals, viruses and genetic factors may induce leukemia. Radiation such as γ-ray, X ray and other radioactive substances are given a naked eye can not see the rays, large numbers of people once or more times a small amount of exposure to radiation can cause leukemia. Here we should indicate to the hospital for filming, perspective, a very small radiation doses will not lead to leukemia.
Many chemical substances harmful to the hematopoietic system, and some may induce leukemia. Here are some of the more certain chemicals and drugs, such as benzene and its derivatives, gasoline, paint, hair dyes (including aniline) and so on; drug disease, such as chloramphenicol, phenylbutazone, etc., and some treatment alkylating agent for cancer can lead to leukemia. Fat leukemia virus can lead had been recognized, such as human T-lymphocyte-pass the virus (Ⅰ and type Ⅱ) can lead to leukemia, people infected with the virus does not occur immediately leukemia, only when the presence of a number of risk factors can promote Fat of the disease, these risk factors are radiation, chemicals and certain drugs, a large number of virus, a number of contacts, immune function and reduce the patient's age were all risk "catalyst" factor.
Causes of leukemia associated with genetic factors, where the "genetic" does not refer to the parents of sick children can be genetic, but refers to the abnormal chromosome and gene incidence of leukemia was significantly higher than normal. Such as the PH, the presence of chromosome and chronic myelogenous leukemia incidence is very relevant. Twins, one was suffering from leukemia, the risk of another person is very substantial.
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